MERRIMACK PHARMACEUTICALS IN's ticker is MACK and the CUSIP is 590328209. A total of 55 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q1 2019. The put-call ratio across all filers is 0.37 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $1,422,499 | -0.3% | 115,369 | -0.5% | 0.00% | – |
Q2 2023 | $1,426,702 | +315.4% | 115,992 | +315.0% | 0.00% | – |
Q1 2023 | $343,481 | +16.1% | 27,948 | +8.2% | 0.00% | – |
Q4 2022 | $295,920 | +228.8% | 25,822 | +7.7% | 0.00% | – |
Q3 2022 | $90,000 | -36.6% | 23,980 | +0.7% | 0.00% | – |
Q2 2022 | $142,000 | -10.7% | 23,803 | -5.0% | 0.00% | – |
Q1 2022 | $159,000 | +62.2% | 25,063 | -0.3% | 0.00% | – |
Q4 2021 | $98,000 | -19.0% | 25,151 | 0.0% | 0.00% | – |
Q3 2021 | $121,000 | -40.4% | 25,151 | -20.6% | 0.00% | – |
Q2 2021 | $203,000 | -11.0% | 31,678 | -12.5% | 0.00% | – |
Q1 2021 | $228,000 | -7.7% | 36,213 | +0.9% | 0.00% | – |
Q4 2020 | $247,000 | +69.2% | 35,890 | -2.0% | 0.00% | – |
Q3 2020 | $146,000 | +5.0% | 36,632 | -12.3% | 0.00% | – |
Q2 2020 | $139,000 | -18.7% | 41,786 | -47.6% | 0.00% | – |
Q1 2020 | $171,000 | -31.9% | 79,669 | -0.2% | 0.00% | – |
Q4 2019 | $251,000 | -30.3% | 79,801 | -0.2% | 0.00% | – |
Q3 2019 | $360,000 | -26.7% | 79,946 | -1.5% | 0.00% | – |
Q2 2019 | $491,000 | -12.8% | 81,167 | +0.1% | 0.00% | – |
Q1 2019 | $563,000 | +141.6% | 81,048 | +34.1% | 0.00% | – |
Q4 2018 | $233,000 | -12.7% | 60,417 | +20.5% | 0.00% | – |
Q3 2018 | $267,000 | +9.9% | 50,154 | +1.3% | 0.00% | – |
Q2 2018 | $243,000 | -81.1% | 49,498 | -69.0% | 0.00% | – |
Q1 2018 | $1,284,000 | -16.2% | 159,477 | +6.7% | 0.00% | – |
Q4 2017 | $1,533,000 | -28.8% | 149,521 | +0.9% | 0.00% | -100.0% |
Q3 2017 | $2,154,000 | – | 148,151 | – | 0.00% | – |
Download |
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
Western Standard LLC | 1,894,013 | $23,353,180 | 21.09% |
Newtyn Management, LLC | 1,873,694 | $23,102,647 | 5.70% |
Sio Capital Management, LLC | 288,466 | $3,556,786 | 1.10% |
Madison Avenue Partners, LP | 553,085 | $6,819,538 | 0.97% |
WITTENBERG INVESTMENT MANAGEMENT, INC. | 209,739 | $2,586 | 0.95% |
Indaba Capital Management, L.P. | 136,802 | $1,686,769 | 0.50% |
Sepio Capital, LP | 306,680 | $3,781,364 | 0.33% |
Yakira Capital Management, Inc. | 54,118 | $667,275 | 0.18% |
Centiva Capital, LP | 187,803 | $2,315,611 | 0.05% |
FIFTH LANE CAPITAL, LP | 10,929 | $134,427 | 0.05% |